Bruce Willis’ family first announced in 2022 that he was stepping away from acting after being diagnosed with aphasia, a condition that affects communication. In 2023, they later revealed he had frontotemporal dementia, or FTD.
FTD is an umbrella term for a group of brain disorders that primarily affect the brain's frontal and temporal lobes. These areas of the brain are generally associated with personality, behavior, and language.
Click through the following gallery to learn more about the condition.